<template>
  <div id="category">
    <!-- 面包导航 -->
    <el-breadcrumb separator="/" style="padding-left:10px;padding-bottom:10px;font-size:12px;">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>物资管理</el-breadcrumb-item>
      <el-breadcrumb-item>物资分类</el-breadcrumb-item>
    </el-breadcrumb>
    <el-card class="box-card">
      <el-row :gutter="20">
        <el-col :span="8">
          <el-button type="warning"  icon="el-icon-circle-plus-outline" @click="openAdd" v-hasPermission="'productCategory:add'">添加</el-button>
        </el-col>
      </el-row>
      <!-- 表格部分 -->
      <zk-table
        v-loading="loading"
        style="margin-top:10px;"
        ref="table"
        border
        stripe
        show-index
        :expand-type="false"
        :selection-type="false"
        sum-text="sum"
        index-text="#"
        :data="categorys"
        :columns="columns"
      >
        <!-- 层级 -->
        <template slot="lev" slot-scope="scope">
          <el-tag v-if="scope.row.lev===1">一级分类</el-tag>
          <el-tag type="success" v-else-if="scope.row.lev===2">二级分类</el-tag>
          <el-tag type="danger" v-else>三级分类</el-tag>
        </template>
        <!-- 操作 -->
        <template slot="caozuo" slot-scope="scope">
          <el-button  v-hasPermission="'productCategory:edit'" type="primary" size="mini" icon="el-icon-edit" @click="edit(scope.row.id)"></el-button>
          <el-button v-hasPermission="'productCategory:delete'" type="danger" size="mini" icon="el-icon-delete" @click="del(scope.row.id)"></el-button>
        </template>
      </zk-table>
      <!-- 分页 -->
      <el-pagination
        style="margin-top:10px;"
        background
       
        :show-header="true"
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="this.queryMap.pageNum"
        :page-sizes="[5,10, 15, 20, 25,30]"
        :page-size="this.queryMap.pageSize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      ></el-pagination>
      <!-- 添加弹出框 -->
      <el-dialog title="添加分类" :visible.sync="addDialogVisible" @close="addCloseDialog" width="50%">
        <span>
          <el-form :model="addRuleForm" :rules="addRules" ref="addRuleFormRef" label-width="100px">
            <el-form-item label="分类名称" prop="name">
              <el-input v-model="addRuleForm.name"></el-input>
            </el-form-item>
            <el-form-item label="父分类" prop="pid">
              <el-cascader
                @change="selectParentChange"
                @clear="clearParent"
                :change-on-select="true"
                :options="parentCategorys"
                clearable
                filterable
                style="width:100%"
                :props="selectProps"
                v-model="pKeys"
              ></el-cascader>
            </el-form-item>
            <el-form-item label="备注" prop="remark">
              <el-input type="textarea" v-model="addRuleForm.remark"></el-input>
            </el-form-item>
            <el-form-item label="排序" prop="sort">
              <el-input-number v-model="addRuleForm.sort" :min="1" :max="10" label="排序"></el-input-number>
            </el-form-item>
          </el-form>
        </span>
        <span slot="footer" class="dialog-footer">
          <el-button @click="addDialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="add" :disabled="btnDisabled" :loading="btnLoading">确 定</el-button>
        </span>
      </el-dialog>
      <!-- 编辑弹出框 -->
      <el-dialog title="编辑分类" :visible.sync="editDialogVisible" @close="editCloseDialog" width="50%">
        <span>
          <el-form :model="editRuleForm" :rules="addRules" ref="editRuleFormRef" label-width="100px">
            <el-form-item label="分类名称" prop="name">
              <el-input v-model="editRuleForm.name"></el-input>
            </el-form-item>
        
            <el-form-item label="备注" prop="remark">
              <el-input type="textarea" v-model="editRuleForm.remark"></el-input>
            </el-form-item>
            <el-form-item label="排序" prop="sort">
              <el-input-number v-model="editRuleForm.sort" :min="1" :max="10" label="排序"></el-input-number>
            </el-form-item>
          </el-form>
        </span>
        <span slot="footer" class="dialog-footer">
          <el-button @click="editDialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="update" :disabled="btnDisabled" :loading="btnLoading">确 定</el-button>
        </span>
      </el-dialog>
    </el-card>
  </div>
</template>

<script>
export default {
  data() {
    return {
      btnLoading: false,
      btnDisabled: false,
      loading:true,
      pKeys: [],
      addDialogVisible: false,
      editDialogVisible: false,
      editRuleForm:[],
      addRuleForm: { pid: "0", name: "", remark: "", sort: "" }, //添加表单
      addRules: {
        name: [
          { required: true, message: "请输入分类名", trigger: "blur" },
          { min: 2, max: 10, message: "长度在 2 到 10 个字符", trigger: "blur" }
        ],
        remark: [
          { required: true, message: "请输入备注信息", trigger: "blur" }
        ],
        sort: [{ required: true, message: "请输入排序号", trigger: "blur" }]
      },
      total: 0,
      queryMap: { pageNum: 1, pageSize: 5 },
      categorys: [],
      parentCategorys: [],
      selectProps: {
        expandTrigger: "hover",
        value: "id",
        label: "name",
        children: "children"
      }, //级联选择器配置项
      columns: [
        {
          label: "分类名称",
          prop: "name"
        },
        {
          label: "排序",
          prop: "sort"
        },
        {
          label: "创建时间",
          prop: "createTime"
        },
        {
          label: "修改时间",
          prop: "modifiedTime"
        },
        {
          label: "备注",
          prop: "remark"
        },
        {
          label: "层级",
          prop: "lev",
          type: "template",
          template: "lev"
        },
        {
          label: "操作",
          type: "template",
          template: "caozuo"
        }
      ]
    };
  },
  methods: {
    async update() {
      this.$refs.editRuleFormRef.validate(async valid => {
        if (!valid) {
          return;
        } else {
          this.btnLoading=true;
          this.btnDisabled=true;
          const { data: res } = await this.$http.put(
            "productCategory/update/" + this.editRuleForm.id,
            this.editRuleForm
          );
          if (res.code == 200) {
            this.$notify({
              title: "成功",
              message: "分类信息更新",
              type: "success"
            });
            this.getCategoryList();
          } else {
             this.$message.error("分类信息更新失败:"+res.msg);
          }
           this.btnLoading=false;
          this.btnDisabled=false;
          this.editDialogVisible = false;
        }
      });
    },
      //修改
    async edit(id) {
      const { data: res } = await this.$http.get("productCategory/edit/" + id);
      if (res.code == 200) {
        this.editRuleForm = res.data;
      } else {
        return this.$message.error("分类信息编辑失败"+res.msg);
      }
       this.editDialogVisible = true;
    },
    //删除分类
    async del(id) {
      var res = await this.$confirm(
        "此操作将永久删除该分类, 是否继续?",
        "提示",
        {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }
      ).catch(() => {
        this.$message({
          type: "info",
          message: "已取消删除"
        });
      });
      if (res == "confirm") {
        const { data: res } = await this.$http.delete(
          "productCategory/delete/" + id
        );
        console.log(res);
        if (res.code == 200) {
          this.$message.success("分类删除成功");
          this.getCategoryList();
        } else {
          this.$message.error(res.msg);
        }
      }
    },

    //父级分类中改变
    selectParentChange() {
      var len = this.pKeys.length;
      if (len > 0) {
        this.addRuleForm.pid = this.pKeys[len - 1];
      }else{
        this.addRuleForm.pid=0;
      }
    },
    //加载分类数据
    async getCategoryList() {
      const { data: res } = await this.$http.get(
        "productCategory/categoryTree",
        {
          params: this.queryMap
        }
      );
      if (res.code !== 200) return this.$message.error("分类列表失败");
      this.categorys = res.data.rows;
      this.total = res.data.total;
    },
    //加载父级分类数据
    async getParentCategoryList() {
      const { data: res } = await this.$http.get(
        "productCategory/getParentCategoryTree"
      );
      if (res.code !== 200) return this.$message.error("父级分类列表失败");
      this.parentCategorys = res.data;
    },
    //添加分类
    async add() {
      this.$refs.addRuleFormRef.validate(async valid => {
        if (!valid) {
          return;
        } else {
           this.btnLoading=true;
          this.btnDisabled=true;
          const { data: res } = await this.$http.post(
            "productCategory/add",
            this.addRuleForm
          );
          if (res.code == 200) {
            this.$message.success("分类添加成功");
            this.getCategoryList();
          } else {
            return this.$message.error("分类添加失败:" + res.msg);
          }
          this.addDialogVisible = false;
           this.btnLoading=false;
          this.btnDisabled=false;
        }
      });
    },
    //改变页码
    handleSizeChange(newSize) {
      this.queryMap.pageSize = newSize;
      this.getCategoryList();
    },
    //翻页
    handleCurrentChange(current) {
      this.queryMap.pageNum = current;
      this.getCategoryList();
    },
    //打开添加
    openAdd() {
      this.addDialogVisible = true;
      this.getParentCategoryList();
    },
    //关闭弹出框
    addCloseDialog() {
      this.$refs.addRuleFormRef.clearValidate();
      this.addRuleForm = {};
      this.pKeys = [];
    },
    editCloseDialog(){
        this.$refs.editRuleFormRef.clearValidate();
      this.editRuleForm = {};
  
    },
    clearParent(){
      this.addRuleForm.pid='';
    }
  
  },
  created() {
    this.getCategoryList();
    
      setTimeout(() => {
          this.loading = false;
    }, 500);
  }
};
</script>